'Now, about your question. Listen carefully.'
'The magic using Mana is invoked through spells. Those verses are simply for channeling the energy from the surroundings, and to produce the necessary element for the magic. Since imagination can also play a vital role, the wizard must be focused when practicing.
Compared to the conventional methods of wizardry, I do not need to conjure the necessary elements for the spell using my Mana. The elemental souls at present, can produce more than enough energy for even a grade 7 or 8 spell.
And now, all I have to do is to add the proper amount of elements into the Mana to produce the effect of the spell. Imagination plays a great role as they shape the perfect spell, and its effect.